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Satonda Island
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Satonda Island
Satonda is a volcanic island off the northern coast of Sumbawa, in West Nusa Tenggara province of Indonesia. The lake on the island has helped to gain some insight in the formation of organisms.
Satonda is situated north of Sumbawa island and west of Mojo island, in the Flores Sea, 3 km east of Sanggar Strait that separates both these islands, and less than 30 km north-west of the Tambora volcano
Administratively, it is in Pekat District, in Dompu Regency,
The island is about 3 x 2 km in size, with an elongated axis oriented NW-SE. The caldera is about 2 x 2 km and its walls rise to about 300 m. A 77 hectares (190.3 acres) lake occupies the caldera. At one point on the south side, the height of the crater rim is reduced to 13 m altitude and its width is reduced to about 30 m.
Satonda Island has a vast natural coral reef in the surrounding waters and was designated a Marine Nature Park (TWAL) in 1999 by the Ministry of Forestry of Indonesia. The island is proposed to be part of Moyo Satonda National Park along with neighbouring Moyo Island.
The volcano rises from a depth of about 1,000 m underwater, with the steep slope typical of tuff cones. Its caldera is about 2 x 2 km large and the caldera walls rise up to 300 m above sea level. The eastern wall is very steep and has no vegetation.
The Sangeang Api (island of Sangeang) and Satonda are eruption centers associated to the Tambora volcano — and therefore to the phenomenal 10–15 April 1815 eruption of Mount Tambora which ejected 50km3 of rock (150 km3 of pumice and pyroclastics) and affected a large part of the Earth.
Signs of erosion such as the marine terraces to the south of the island, and steep gullies (deep erosional ravines in the tuff ring), indicate that the volcano has been inactive since several thousand years, and maybe tens of thousands of years. The volcano may have been formed when the sea level was lower, during the last ice age
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Satonda Island
Satonda is a volcanic island off the northern coast of Sumbawa, in West Nusa Tenggara province of Indonesia. The lake on the island has helped to gain some insight in the formation of organisms.
Satonda is situated north of Sumbawa island and west of Mojo island, in the Flores Sea, 3 km east of Sanggar Strait that separates both these islands, and less than 30 km north-west of the Tambora volcano
Administratively, it is in Pekat District, in Dompu Regency,
The island is about 3 x 2 km in size, with an elongated axis oriented NW-SE. The caldera is about 2 x 2 km and its walls rise to about 300 m. A 77 hectares (190.3 acres) lake occupies the caldera. At one point on the south side, the height of the crater rim is reduced to 13 m altitude and its width is reduced to about 30 m.
Satonda Island has a vast natural coral reef in the surrounding waters and was designated a Marine Nature Park (TWAL) in 1999 by the Ministry of Forestry of Indonesia. The island is proposed to be part of Moyo Satonda National Park along with neighbouring Moyo Island.
The volcano rises from a depth of about 1,000 m underwater, with the steep slope typical of tuff cones. Its caldera is about 2 x 2 km large and the caldera walls rise up to 300 m above sea level. The eastern wall is very steep and has no vegetation.
The Sangeang Api (island of Sangeang) and Satonda are eruption centers associated to the Tambora volcano — and therefore to the phenomenal 10–15 April 1815 eruption of Mount Tambora which ejected 50km3 of rock (150 km3 of pumice and pyroclastics) and affected a large part of the Earth.
Signs of erosion such as the marine terraces to the south of the island, and steep gullies (deep erosional ravines in the tuff ring), indicate that the volcano has been inactive since several thousand years, and maybe tens of thousands of years. The volcano may have been formed when the sea level was lower, during the last ice age
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